Finding the Fourth Proportional to 10,984.31, 15,150.04 and 7,955.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,984.31 : 15,150.04 = 7,955.01 : x
2. Step 2: Convert to fraction form
   10,984.31/15,150.04 = 7,955.01/x
3. Step 3: Cross multiply
   10,984.31x = 15,150.04 × 7,955.01
4. Step 4: Simplify right side
   10,984.31x = 120,518,699.81
5. Step 5: Solve for x
   x = 120,518,699.81/10,984.31
6. Step 6: Final answer
   x = 10,971.90